awb.yml: Run on windows-2022 for .NET v4.8.1

git-svn-id: https://svn.code.sf.net/p/autowikibrowser/code/AWB@12774 5227b50d-9349-4574-b055-4b0a7525e11c

Author: reedy

.github/workflows/awb.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        windows-version: ['windows-2019']
+        windows-version: ['windows-2022']
 
     steps:
       - uses: actions/checkout@v4